28291213 is an odd 8-digits composite number following 28291212
and preceding 28291214 . In scientific notation, it is written as 2.8291213 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 26550720 positive integers (up to 28291213) that are relatively prime to 28291213.
28291213 has 8 divisors, whose sum is 30041280
The reverse of 28291213 is 31219282
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million two hundred ninety-one thousand two hundred thirteen
Scientific notation
2.8291213 × 10^7
Engineering notation
2.8291213 × 10^6
Prime Factorization
17 × 379 × 4391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28291213
Product of the distinct prime numbers
The prime factorization of 28291213 is 17 × 379 × 4391.
Since it has a total of 3 prime factors.
2 , 5 , 55 , 17 , 640 , 100 , 6906 , 2528 , 80201 , 5089 , 245233 , 574373 , 2356799 , 2538447 , 81770088 , 68982270 , 726421800 , 876128355 , 417318859 , 6443163213
n×2
56582426
n×3
84873639
n×4
113164852
n×5
141456065
n÷2
14145606.5
n÷3
9430404.3333333
n÷3
7072803.25
n÷5
5658242.6
n2
800392733011369
n3
2.2644081293277E+22
n4
6.4062852705741E+29
n5
1.8124158112857E+37
2 √n
5318.9484863082
3 √n
304.70799967092
4 √n
72.931121520982
5 √n
30.926467291891
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28291212
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291213 can be divided by 8 positive divisors.
The sum of these divisors (counting 28291213) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111011000010001101
3
Ternary
1222020100020201
4
Quaternary
1223323002031
5
Quinary
24220304323
6
Senary
2450213501
8
Octal
153730215
10
Decimal
28291213
12
Duodecimal
9584291
16
Hexadecimal
1afb08d
20
Vigesimal
8gg80d
36
Base36
gudn1
md5
4afab4f9cc2df58d769ea170863654fe
sha1
bea385ed31671e20f7af76778947e0e88352062e
sha256
de36671ab551877e96c6df2f44aa4a18e50a0b21fe31ca44434704e7f0095c25
sha512
4684d4cb868b4c42b651ee12c37be575af5b6f649824dc50ee1a377991d7509ed1d41916fb7ddbf509bb1ca263c203483a5fc1ef1772ae07ef4bbff1e69b997e
ripemd-160
8dbfc1fefc83395432371aa337d374aa8db2d85b
Diameter
56582426
Circumference
177758933.84389
Area
2.5145079300152E+15
Volume
9.4851305917664E+22
Surface area
1.0058031720061E+16
Circumference
177758933.84389
Perimeter
113164852
Area
800392733011369
Diagonal
40009817.120586
Surface area
4802356398068214
Volume
2.2644081293277E+22
Space diagonal
49001818.323753
Perimeter
84873639
Area
3.4658021989615E+14
Altitude
24500909.161877
Surface area
3.4658021989615E+14
Volume
2.6686305727026E+21
Height
13336605.706862